Past Events

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Work Party at Rigler School Arboretum

Join the Arbor Lodge Tree Team to care for the Rigler Arboretum.

10:00 am 12:00 pm
Volunteer Event
American hornbeam

Local Tree Care Providers Workshop

This workshop is for tree care professionals who work in Portland. It is free to attend, and is a requirement for companies that wish to be included on the City's Local Tree Care Providers web page.

8:30 am 11:30 am
Classes and Activities
6 brochures featuring trees that are approved to be planted in Portland planting strips.

Portland Arbor Day 2022

Join us this fall for the annual Arbor Day celebration! This year we’ll be celebrating at Glenwood Park.

10:00 am 1:00 pm
Community Event
Arbor Day 2022

Arbor Day Crew Leader Training

Portland Arbor Day is right around the corner! Trained Crew Leaders are needed to support tree planting and care projects in the park.

12:00 pm 3:30 pm
Volunteer Event
Arbor Day 2022

Broadleaf Trees of Berrydale Park Tree Walk

Berrydale has a wonderful and somewhat exotic collection including both deciduous and evergreen broadleaf trees including a cork oak.

1:00 pm 2:00 pm
Classes and Activities
A park with a lone small tree in the grass, more trees in the foreground.

Tree Walk in Mt Tabor Park

Come and learn the difference between a conifer and broadleaf tree and understand how to use a key to confidently identify trees.

2:00 pm 3:00 pm
Classes and Activities
Mt Tabor Park Resivour View

Trees of Arbor Lodge are Trees of the World

As part of Portland's pop-up arboretum coming to Arbor Lodge Park in September, your Arbor Lodge Tree Team will lead a neighborhood tree walk.

10:00 am 12:00 pm
Classes and Activities
 Giant Sequioa

Find Your Flare! Preparing Young Trees for Planting

Help the Sixth Annual Yard Tree Giveaway prepare trees to find their forever homes this fall! Knowing where the root flare is on your tree is one of the best ways to give a new tree its best chance to thrive.

9:00 am 1:00 pm
Volunteer Event
Tree planters locating the proper planting depth for a new tree

Urban Orchard Care

Fruit trees need regular care to be productive and harvestable. Learn which fruit trees need care this time of year and practice with neighbors at the Delta Park Orchard.

9:00 am 1:00 pm
Volunteer Event
Apple trees growing on a branch.

Portland Street Tree Inventory

The Tree Inventory Project is the City’s effort to map, measure, and identify public trees across Portland. Volunteer this summer to help update our census of over 218,000 street trees!

Volunteer Event
Volunteers using plant parts to identify trees.

Summertime Tree Walk

Join PP&R Urban Forestry in the South Tabor Neighborhood for a tree walk exploring some of Portland's unique street trees. RESCHEDULED 7/13/22.

12:00 pm 1:00 pm
Classes and Activities
A row of uniformly shaped trees with cars parked in front

Tree Care with the Neighborhood Tree Stewards

Join the 2022 Graduates of the Neighborhood Tree Stewards course to care for the trees of Berrydale Park and the Creative Science School at Clark. The trees of this neighborhood park are in need of care to ensure they're long-lived to provide years of environmental services to the community.

10:00 am 1:00 pm
Volunteer Event
Three volunteers remove the stakes from a young oak tree.

Berrydale Park Tree Walk

Join Neighborhood Tree Steward Graduate and local tree-enthusiast Lisa Wilcke to learn about the trees of Berrydale Park!

11:00 am 12:00 pm
Classes and Activities
A large ash tree in a park turning bright yellow and orange in autumn.

Local Tree Care Providers Workshop

This workshop is for tree care professionals who work in Portland. It is free to attend, and is a requirement for companies that wish to be included on the City's Local Tree Care Providers web page.

8:30 am 11:30 am
Classes and Activities
6 brochures featuring trees that are approved to be planted in Portland planting strips.

Earth Day with the Concordia Tree Team

Help the Concordia Tree Team and Alberta Main Street care for our communities trees!

10:00 am 12:00 pm
Volunteer Event
A volunteer pruning tree in winter.

Ainsworth Linear Arboretum Tree Walk

Come explore Portland's Linear Arboretum on a Saturday morning this spring with founder Jim Gersbach.

9:00 am 10:30 am
Classes and Activities
A volunteer shares information about the trees of the Linear Arboretum to passerbys during Sunday Parkways.

Tree Pruning with the Richmond Tree Team

Portland’s trees work hard, but our volunteers work even harder! Join your neighbors outdoors this spring caring for our community’s trees.

10:00 am 1:00 pm
Volunteer Event
A volunteer pruning tree in winter.

Learn to Prune Young Trees

This introductory workshop explores young tree pruning in the urban environment. We will cover tree biology basics, why trees need pruning, and all of the ins and outs of applying our knowledge to trees throughout Portland!

10:00 am 1:00 pm
Volunteer Event
a row of street trees

Tree Planting at Creston Elementary School

Urban Forestry is working with Creston Elementary to plant 14 trees on their school grounds.

10:00 am 2:30 pm
Volunteer Event
Four people finish planting a tree and laying mulch.

Tree Planting at Lillis Albina Park

Urban Forestry is working with Harriet Tubman Middle School to plant trees at the adjacent park.

9:00 am 12:30 pm
Volunteer Event
Four youth and two adults show off their newly planted tree at a school playground.